///*
// * Hibiscus is free software; you can redistribute it and/or modify
// * it under the terms of the GNU General Public License as published
// * by the Free Software Foundation; either version 3 of the License,
// * or (at your option) any later version.
// *
// * Hibiscus is distributed in the hope that it will be useful, but
// * WITHOUT ANY WARRANTY; without even the implied warranty of
// * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
// * General Public License for more details.
// *
// * You should have received a copy of the GNU General Public License
// * along with Hibiscus; if not, write to the Free Software
// * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
// * USA
// *
// * Copyright (C) 2003 Tetete - http://tetete.hu.
// */
//package hu.tetete.hibiscus.model;
//
//import hu.tetete.hibiscus.expression.Expression;
//import hu.tetete.hibiscus.propertyvalue.PropertyValue;
//
///**
// * A special case of {@link OneSelectProperty} when the user can choose <tt>true</tt>, <tt>false</tt> and <tt>Nan</tt> values.
// */
//public class TrueFalseProperty extends Property {
//
//    private TrueFalseProperty(final Long id, final String name, final Expression expression) {
//        super(id, name, expression);
//    }
//
//    @Override
//    public PropertyValue fromDb(String propertyValueFromDb) {
//        return null;
//    }
//
//    @Override
//    public String toDb(PropertyValue propertyValue) {
//        // TODO Auto-generated method stub
//        return null;
//    }
//
//}
